Puzzle‧Ancient Stone Beast Selection Gift Box

I heard this is a special photo puzzle of the World Boss... Let me brush off the dust and gravel on it to see the puzzle's appearance more clearly.
Right-click to use and choose one of the following rewards:
Puzzle‧Ancient Stone Beast(1) x1
Puzzle‧Ancient Stone Beast(2) x1
Puzzle‧Ancient Stone Beast(3) x1
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Puzzle‧Ancient Stone Beast(20) x1
※A total of 20 types of "Puzzle‧Ancient Stone Beast" series puzzles